Lung box



FIG. 1 is an perspective view;

FIG. 2 is a front elevation view;

FIG. 3 is a rear elevation view;

FIG. 4 is a right side elevation view;

FIG. 5 is a top plan view; and,

FIG. 6 is a bottom plan view.

The broken lines show portions of the lung box that form no part of the claimed design; the broken lines form no part of the claimed design. 

CLAIM The ornamental design for a lung box, as shown and described. 